Best time to visit Southwest City, MO

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Southwest City runs from September through November — 3 months of pleasant temperatures and modest rainfall.

January Cool
High
48.8°F
Low
28.7°F
Precip
2.81 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 9h 46m

February Cool
High
53.9°F
Low
32.5°F
Precip
2.66 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 10h 39m

March Good
High
63.4°F
Low
40.8°F
Precip
3.92 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 11h 46m

April Good
High
72.5°F
Low
49.0°F
Precip
4.82 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 12h 56m

May Wet
High
79.5°F
Low
57.5°F
Precip
6.21 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 13h 57m

June Good
High
87.4°F
Low
65.8°F
Precip
4.65 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 27m

July Hot
High
92.5°F
Low
69.2°F
Precip
3.93 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 14h 16m

August Hot
High
92.1°F
Low
67.8°F
Precip
3.47 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 13h 24m

September Good
High
84.2°F
Low
60.4°F
Precip
4.45 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 12h 13m

October Good
High
72.9°F
Low
49.9°F
Precip
4.56 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 11h 2m

November Good
High
60.7°F
Low
39.8°F
Precip
3.93 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 1m

December Cool
High
51.1°F
Low
31.9°F
Precip
3.17 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 9h 31m

Looking for similar climates? See Southwest City's climate twins. Or jump straight to the full climate profile.